package com.atguigu.gulimall.product.config;

import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * @author: kaiyi
 * @create: 2020-09-02 00:55
 */
@EnableConfigurationProperties(CacheProperties.class)
@Configuration
@EnableCaching
public class MyCacheConfig {
  // @Autowired
  // public CacheProperties cacheProperties;

  /**
   * 配置文件的配置没有用上
   * @return
   */
  @Bean
  public RedisCacheConfiguration redisCacheConfiguration(CacheProperties cacheProperties) {

    RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();
    // config = config.entryTtl();
    config = config.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()));
    config = config.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new GenericJackson2JsonRedisSerializer()));

    CacheProperties.Redis redisProperties = cacheProperties.getRedis();
    //将配置文件中所有的配置都生效
    if (redisProperties.getTimeToLive() != null) {
      config = config.entryTtl(redisProperties.getTimeToLive());
    }
    if (redisProperties.getKeyPrefix() != null) {
      config = config.prefixKeysWith(redisProperties.getKeyPrefix());
    }
    if (!redisProperties.isCacheNullValues()) {
      config = config.disableCachingNullValues();
    }
    if (!redisProperties.isUseKeyPrefix()) {
      config = config.disableKeyPrefix();
    }

    return config;
  }

}
